ANW: Best of Southwest American Ninja Warrior : Season 4 Episode 25

Take a look back at the moments from the Regional Qualifiers and Finals that defined the best season of "American Ninja Warrior" ever. From walk-ons that came out of nowhere like the indomitable Robert Ing and the insanely acrobatic Kevin Bull to seasoned veterans like Drew Dreschel who put up the fastest qualifying time ever, relive the excitement! Plus, who can forget the historical runs by the Mighty Kacy Catanzaro? We have all this and the most heart-breaking failures from hundreds of competitors.